Drill Press Vise Thread Cutting Die Holding Jig

I have a project that requires a number of rods to be threaded that absolutely must be perpendicular to the mounting surface to work properly. There are numerous examples of using a drill press and drill press vise to tap holes, but not so many using the drill press to tap a rod. The drill press table, chuck, and vise serve as repeatable reference planes to hold the parts in alignment. This jig holds the die flat and between the vise jaws so that you can use a rod in the chuck holes to tur